The Vatican Observatory (VO) is the Pope's institution for astronomical research and public outreach, and it is one of the oldest observatories in the world. Established in 1582 during the Gregorian reform of the calendar, the Vatican Observatory is headquartered at the papal summer residence in Castel Gandolfo, just outside Rome. The institution supports a team of priests and brothers, as well as adjunct scholars and scientists from various scientific disciplines, who utilize modern scientific methods to study the universe.

Collaborating with major astronomical institutions worldwide, the Vatican Observatory conducts cutting-edge research on a wide range of topics. Their work covers areas such as the exploration of celestial bodies, analysis of cosmic phenomena, and advancements in scientific knowledge. With a rich history and a dedicated team, the Vatican Observatory is at the forefront of scientific discovery and exploration